LD7575 Ver la hoja de datos (PDF) - Unspecified
Número de pieza
componentes Descripción
Fabricante
LD7575 Datasheet PDF : 18 Pages
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LD7575
Electrical Characteristics
(TA = +25oC unless otherwise stated, VCC=15.0V)
PARAMETER
CONDITIONS
High-Voltage Supply (HV Pin)
High-Voltage Current Source
Vcc< UVLO(on), HV=500V
Off-State Leakage Current
Vcc> UVLO(off), HV=500V
Supply Voltage (Vcc Pin)
Startup Current
Operating Current
(with 1nF load on OUT pin)
VCOMP=0V
VCOMP=3V
Protection tripped (OLP, OVP)
UVLO (off)
UVLO (on)
OVP Level
Voltage Feedback (Comp Pin)
Short Circuit Current
Open Loop Voltage
VCOMP=0V
COMP pin open
Green Mode Threshold VCOMP
Current Sensing (CS Pin)
Maximum Input Voltage
Leading Edge Blanking Time
Input impedance
Delay to Output
Oscillator (RT pin)
Frequency
RT=100KΩ
Green Mode Frequency
Fs=65.0KHz
Temp. Stability
(-40°C ~105°C)
Voltage Stability
(VCC=11V-25V)
Gate Drive Output (OUT Pin)
Output Low Level
VCC=15V, Io=20mA
Output High Level
VCC=15V, Io=20mA
Rising Time
Load Capacitance=1000pF
Falling Time
Load Capacitance=1000pF
OLP (Over Load Protection)
OLP Trip Level
OLP Delay Time (note)
Fs=65KHz
MIN
TYP
MAX UNITS
0.5
1.0
1.5
mA
35
μA
100
μA
2.0
3.0
mA
2.5
4.0
mA
0.5
mA
9.0
10.0
11.0
V
15.0
16.0
17.0
V
25.0
27.5
30.0
V
1.5
2.2
mA
6.0
V
2.35
V
0.80
0.85
0.90
V
350
nS
1
MΩ
100
nS
60.0
65.0
70.0 KHz
20
KHz
3
%
1
%
1
V
9
V
50
160
nS
30
60
nS
5.0
V
30
mS
Note: The OLP delay time is proportional to the period of switching cycle. So that, the lower RT value will set the higher switching
frequency and the shorter OLP delay time.
Leadtrend Technology Corporation
LD7575-DS-04b November 2007
5
www.leadtrend.com.tw
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